4PRO 120 CLASSIC roof membrane, three-layer, highly vapour-permeable, used for insulated and ventilated sloping roofs, also with full sarking. It is suitable under various types of roof coverings such as concrete tiles, roofing tiles, also as wind insulation in frame construction. Product is also suitable for application when conducting ‘reverse renovation’ works in roof and attic. Preservation of venting slot between the membrane and the thermal insulation (mineral wool, fiberglass) is not required for installation – product can be installed directly on thermal insulation. The final roof covering must be assembled with batten and counter-batten. Suitable for use in nearly all types of roof coverings – recommended for cement and clay tiles as well as metal roofing.
- Water-tightness > 2500 mm H2O
- UV resistance
- High vapour-permeability